f2fs: use common implementation of file type

Use common implementation of file type conversion helpers.

Signed-off-by: Weizhao Ouyang <o451686892@gmail.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

1 files changed, 3 insertions, 36 deletions

diff --git a/fs/f2fs/dir.c b/fs/f2fs/dir.c
index 73c338db5808..d6dd8327e82d 100644
--- a/fs/f2fs/dir.c
+++ b/fs/f2fs/dir.c
@@ -42,39 +42,6 @@ static unsigned int bucket_blocks(unsigned int level)
 		return 4;
 }
 
-static unsigned char f2fs_filetype_table[F2FS_FT_MAX] = {
-	[F2FS_FT_UNKNOWN]	= DT_UNKNOWN,
-	[F2FS_FT_REG_FILE]	= DT_REG,
-	[F2FS_FT_DIR]		= DT_DIR,
-	[F2FS_FT_CHRDEV]	= DT_CHR,
-	[F2FS_FT_BLKDEV]	= DT_BLK,
-	[F2FS_FT_FIFO]		= DT_FIFO,
-	[F2FS_FT_SOCK]		= DT_SOCK,
-	[F2FS_FT_SYMLINK]	= DT_LNK,
-};
-
-static unsigned char f2fs_type_by_mode[S_IFMT >> S_SHIFT] = {
-	[S_IFREG >> S_SHIFT]	= F2FS_FT_REG_FILE,
-	[S_IFDIR >> S_SHIFT]	= F2FS_FT_DIR,
-	[S_IFCHR >> S_SHIFT]	= F2FS_FT_CHRDEV,
-	[S_IFBLK >> S_SHIFT]	= F2FS_FT_BLKDEV,
-	[S_IFIFO >> S_SHIFT]	= F2FS_FT_FIFO,
-	[S_IFSOCK >> S_SHIFT]	= F2FS_FT_SOCK,
-	[S_IFLNK >> S_SHIFT]	= F2FS_FT_SYMLINK,
-};
-
-static void set_de_type(struct f2fs_dir_entry *de, umode_t mode)
-{
-	de->file_type = f2fs_type_by_mode[(mode & S_IFMT) >> S_SHIFT];
-}
-
-unsigned char f2fs_get_de_type(struct f2fs_dir_entry *de)
-{
-	if (de->file_type < F2FS_FT_MAX)
-		return f2fs_filetype_table[de->file_type];
-	return DT_UNKNOWN;
-}
-
 /* If @dir is casefolded, initialize @fname->cf_name from @fname->usr_fname. */
 int f2fs_init_casefolded_name(const struct inode *dir,
 			      struct f2fs_filename *fname)
@@ -485,7 +452,7 @@ void f2fs_set_link(struct inode *dir, struct f2fs_dir_entry *de,
 	lock_page(page);
 	f2fs_wait_on_page_writeback(page, type, true, true);
 	de->ino = cpu_to_le32(inode->i_ino);
-	set_de_type(de, inode->i_mode);
+	de->file_type = fs_umode_to_ftype(inode->i_mode);
 	set_page_dirty(page);
 
 	dir->i_mtime = dir->i_ctime = current_time(dir);
@@ -699,7 +666,7 @@ void f2fs_update_dentry(nid_t ino, umode_t mode, struct f2fs_dentry_ptr *d,
 	de->name_len = cpu_to_le16(name->len);
 	memcpy(d->filename[bit_pos], name->name, name->len);
 	de->ino = cpu_to_le32(ino);
-	set_de_type(de, mode);
+	de->file_type = fs_umode_to_ftype(mode);
 	for (i = 0; i < slots; i++) {
 		__set_bit_le(bit_pos + i, (void *)d->bitmap);
 		/* avoid wrong garbage data for readdir */
@@ -1036,7 +1003,7 @@ int f2fs_fill_dentries(struct dir_context *ctx, struct f2fs_dentry_ptr *d,
 			continue;
 		}
 
-		d_type = f2fs_get_de_type(de);
+		d_type = fs_ftype_to_dtype(de->file_type);
 
 		de_name.name = d->filename[bit_pos];
 		de_name.len = le16_to_cpu(de->name_len);